Device and method for determining the attitude of a satellite equipped with gyroscopic actuators, and satellite carrying such a device
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United States of America Patent
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Nov 15, 2022
Grant Date -
Aug 11, 2022
app pub date -
Mar 17, 2020
filing date -
Mar 25, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A device for determining an attitude of a satellite is disclosed, the satellite having an attitude control system comprising a gyroscopic actuator including a flywheel mounted so as to be rotatable around an axis of rotation and carried by a gimbal articulated to rotate around an axis of rotation. The device includes an attitude sensor configured to measure the attitude of the satellite, a position sensor configured to measure the angular position of the gimbal around its axis of rotation, a speed sensor configured to measure the rotational speed of the flywheel, and a processing circuit configured to determine the attitude of the satellite by using the measurement of the angular position of the gimbal, the measurement of the rotational speed of the flywheel, and the measurement of the attitude of the satellite.
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